Flat Battery - Planmeca Proline XC Technical Manual

Chapter G - TROUBLESHOOTING

4 FLAT BATTERY

The equipment has two different types of parameter memories. The most critical parameters
that are seldom changed are stored into an EEPROM-type memory that is non volatile but the
amount of changes made is restricted to about 10'000 times per single data.
The other parameters that are not fatal if lost and which are altered more often are stored into
a battery backup RAM-type memory on the keyboard processor board. This information is lost
and substituted with minimum or less harmful ones if the battery goes flat.
When the equipment is powered on the battery is charged. A completely flat battery will be
fully charged within about two hours. If the equipment is never switched on or just shortly after
long intervals as may be the case when stock keeping it, the battery will last at least two
months.
When the equipment is turned on with a flat battery the clock display and mm display are
blinking all zeroes. In the following is explained, which information is lost and with which val-
ues it is substituted.
After detecting this kind of a situation the substituted information must be corrected by reset-
ting the above listed parameters to actual ones.
The correct place of the layer positioning motor must be learned into the system by driving the
motor in service settings mode twice past its reference sensor till the mm display ceases
blinking. Take care not to drive the motor into the mechanical ends that may cause damage.
G-6 Planmeca Proline XC X-ray unit
LOST INFORMATION
Calendar clock
Layer position
Exposure counters
kV value last used
mA value last used
Up/down motor on one end limit
Automatic return mode
kV, mA pair select mode (AUTO)
Temple rests open/closed
Panoramic/Cephalostatic version
SUBSTITUTED INFORMATION
All zeroes
00
All zeroes
60 kV
04 mA
Assumed to be not on an end position if
not on sensor
Automatic return off
Individual settings
Assumed to be open if not on sensor
Panoramic
FLAT BATTERY
Technical Manual